Stirling PDF: #1 Open-Source PDF Editor on GitHub
Stirling PDF: The Ultimate Open-Source PDF Powerhouse
#1 PDF App on GitHub with 76K+ Stars
Stirling PDF has taken the open-source world by storm, becoming the most starred PDF application on GitHub. This isn't just another PDF tool—it's a complete platform with 50+ PDF processing tools that you can run locally, in your browser, or self-hosted on your servers.
🚀 One-Command Deployment
Getting started takes seconds:
docker run -p 8080:8080 docker.stirlingpdf.com/stirlingtools/stirling-pdf
Open http://localhost:8080 and you're ready to edit PDFs. No complex setup required.
✨ Key Features That Set It Apart
Universal Access
- Desktop app for offline use
- Browser UI for instant access
- Self-hosted server with private REST APIs
50+ Professional PDF Tools
- Edit: Modify text, images, pages
- Sign: Digital signatures & certificates
- Redact: Securely remove sensitive data
- Convert: PDF ↔ Word, Image, HTML
- OCR: Extract text from scanned documents
- Compress: Reduce file sizes dramatically
- Merge/Split: Combine or divide PDFs
Enterprise Ready
- SSO integration
- Audit logging
- On-premises deployment
- Process millions of PDFs via APIs
🛠️ Developer-Friendly
# REST API example
curl -X POST "http://localhost:8080/api/v1/pdf/merge" \
-F "[email protected]" -F "[email protected]"
Full API documentation available for all 50+ tools.
🌍 Global Reach
Available in 40+ languages with active community translations.
Why Choose Stirling PDF?
✅ Privacy-first: No cloud uploads ✅ Cost-free: Completely open-source ✅ Scalable: From personal use to enterprise ✅ Modern stack: Java, TypeScript, Docker, Spring Boot ✅ Actively maintained: 4,959 commits, daily updates
Perfect For
- Developers building PDF workflows
- Businesses needing secure document processing
- Privacy-conscious individuals
- Teams replacing expensive SaaS PDF tools
Stop sending your documents to cloud services. Take control with Stirling PDF today!